发明名称 |
PROCESS FOR RECOVERING PARAXYLENE FROM AT LEAST TWO FEEDSTREAMS CONTAINING XYLENE ISOMERS. |
摘要 |
Processes for recovering paraxylene from at least two feedstreams containing xylene isomers. The process includes directing to a paraxylene recovery zone comprising at least one crystallization zone, a paraxylene-lean feedstream having a paraxylene to total xylene isomer ratio of 0.50 or less, and also directing to the paraxylene recovery zone, a paraxylene-rich feedstream having a paraxylene to total xylene isomer ratio of greater than 0.50. A paraxylene-containing product stream is recovered from the paraxylene recovery zone having a paraxylene to total xylene isomer ratio greater than that of the paraxylene-rich feedstream. The process provides improvements in paraxylene recovery efficiency and/or cost effectiveness. |
申请公布号 |
MX2015012077(A) |
申请公布日期 |
2015.11.18 |
申请号 |
MX20150012077 |
申请日期 |
2014.03.14 |
申请人 |
BP CORPORATION NORTH AMERICA INC. |
发明人 |
CHYAU LIN;STEVEN D. NORWOOD;JEFFREY A. AMELSE;SCOTT A. ROBERTS;RICHARD A. WILSAK;BRIAN L. SLUSAR |
分类号 |
C07C7/14;C07C15/08 |
主分类号 |
C07C7/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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